Journal of Siberian Federal University. Biology / Analysis of Closure Dynamics of an Experimental Biological Life Support System

Full text (.pdf)
Issue
Journal of Siberian Federal University. Biology. 2023 16 (4)
Authors
Barkhatov, Yuri V.; Ushakova, Sofya A.; Tikhomirov, Alexander A.; Degermendzhy, Andrey G.
Contact information
Barkhatov, Yuri V. : Institute of Biophysics FRC “Krasnoyarsk Science Center SB RAS” Krasnoyarsk, Russian Federation; ; ORCID: 0000-0003-4547-0439; Ushakova, Sofya A. : Institute of Biophysics FRC “Krasnoyarsk Science Center SB RAS” Krasnoyarsk, Russian Federation; ORCID: 0000-0002-5386-5951; Tikhomirov, Alexander A. : Institute of Biophysics FRC “Krasnoyarsk Science Center SB RAS” Krasnoyarsk, Russian Federation; Siberian Federal University Krasnoyarsk, Russian Federation; Degermendzhy, Andrey G.: Institute of Biophysics FRC “Krasnoyarsk Science Center SB RAS” Krasnoyarsk, Russian Federation; ORCID: 0000-0001-8649-5419
Keywords
life support system; mathematical model; closure coefficient
Abstract

An experimental model of a biological life support system (BLSS) created at the Institute of Biophysics SB RAS has a high level of closure of material cycling with plant wastes and human waste products incorporated into mass exchange. To predict the ways to further increase the level of closure of the BLSS experimental model, a mathematical model based on kinetic coefficients and dependences obtained during experimental research has been constructed. The processes of mass transfer occurring in the BLSS are presented in the model as continuous dynamic processes and are described by differential equations written in the dimensions of mass. The model describes the basic mass transfer processes that make it possible to investigate the behavior of the system without transforming it into an imitation model, which would be too complex to analyze. The verification of the model was conducted using the experimental data obtained in the BLSS experiments. The main distinction of the mathematical model is the possibility of dynamic numerical determination of the system closure coefficient. The closure coefficient is considered here as the ratio of the rate of substance transfer from heterotrophic to autotrophic organisms to the sum of this rate and the rate of the flow of the substance to the dead end. The model of the closed BLSS is able to suggest the ways to increase the degree of the system closure by varying the parameters of the model calculation and its effect on the calculated closure coefficient

Pages
522–535
EDN
YCIIZS
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/152408

Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).